Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12332196 | Laser light source and photoelectron microscope | Shik Shin, Toshiyuki Taniuchi, Shinichi Imai, Yasunori Furukawa | 2025-06-17 |
| 10205296 | Swept light source and method for controlling the same | Seiji Toyoda, Yuzo Sasaki, Takashi Sakamoto, Joji Yamaguchi, Tadashi Sakamoto +7 more | 2019-02-12 |
| 8992683 | Apparatus for producing crystals | Masahiro Sasaura, Hiroki Kohda | 2015-03-31 |
| 8654167 | Electrooptic device | Kouichirou Nakamura, Tadayuki Imai, Jun Miyazu | 2014-02-18 |
| 8648893 | Electrooptic device | Kouichirou Nakamura, Tadayuki Imai, Jun Miyazu | 2014-02-11 |
| 8274653 | Spectroscope | Koichiro Nakamura, Yuzo Sasaki, Shogo Yagi | 2012-09-25 |
| 8014061 | Variable-focal length lens | Tadayuki Imai, Masahiro Sasaura, Jun Miyazu, Shogo Yagi | 2011-09-06 |
| 7953309 | Optical fiber and production method thereof | Atsushi Mori, Masao Kato, Kouji Enbutsu, Shinichi Aozasa, Kiyoshi Oikawa +3 more | 2011-05-31 |
| 7859666 | Electric field sensor | Aiichirou Sasaki, Mitsuru Shinagawa, Nobutarou Shibata, Tadashi Minotani, Masahiro Sasaura +1 more | 2010-12-28 |
| 7764302 | Electrooptic device | Kouichirou Nakamura, Tadayuki Imai, Jun Miyazu | 2010-07-27 |
| 7677059 | Tellurite optical fiber and production method thereof | Atsushi Mori, Masao Kato, Kouji Enbutsu, Shinichi Aozasa, Kiyoshi Oikawa +3 more | 2010-03-16 |
| 7674737 | Optical medium, an optical lens and a prism | Tadayuki Imai, Masahiro Sasaura, Kouichirou Nakamura | 2010-03-09 |
| 7591895 | Method and apparatus for producing crystals | Masahiro Sasaura, Hiroki Kohda, Takashi Kobayashi, Tadayuki Imai, Takashi Kurihara | 2009-09-22 |
| 7492975 | Optical switch, optical modulator and wavelength variable filter | Seiji Toyoda, Masahiro Sasaura, Koji Enbutsu, Makoto Shimokozono, Tadayuki Imai +4 more | 2009-02-17 |
| 7356227 | Optical switch, optical modulator and wavelength variable filter | Seiji Toyoda, Masahiro Sasaura, Koji Enbutsu, Makoto Shimokozono, Tadayuki Imai +4 more | 2008-04-08 |
| 7340116 | Optical switch, optical modulator and wavelength variable filter | Seiji Toyoda, Masahiro Sasaura, Koji Enbutsu, Makoto Shimokozono, Tadayuki Imai +4 more | 2008-03-04 |
| 7340147 | Optical waveguide material and optical waveguide | Tadayuki Imai, Makoto Shimokozono, Seiji Toyoda, Masahiro Sasaura, Tohru Matsuura | 2008-03-04 |
| 7336854 | Optical switch, optical modulator and wavelength variable filter | Seiji Toyoda, Masahiro Sasaura, Koji Enbutsu, Makoto Shimokozono, Tadayuki Imai +4 more | 2008-02-26 |
| 7272317 | Optical multiplexing communication system using ultra high speed signal transmission | Masao Kato, Takashi Kurihara, Shunichi Souma | 2007-09-18 |
| 7177514 | Optical waveguide material and optical waveguide | Tadayuki Imai, Makoto Shimokozono, Seiji Toyoda, Masahiro Sasaura, Tohru Matsuura | 2007-02-13 |
| 7110652 | Optical waveguide and method of manufacture | Masahiro Sasaura, Koji Enbutsu, Tadayuki Imai, Shogo Yagi, Takashi Kurihara +3 more | 2006-09-19 |
| 6996321 | Optical waveguide and method of manufacture | Masahiro Sasaura, Koji Enbutsu, Tadayuki Imai, Shogo Yagi, Takashi Kurihara +3 more | 2006-02-07 |
| 6870663 | Wavelength tunable light source and pulse light source | Masao Kato, Takashi Kurihara, Kenji Kurokawa | 2005-03-22 |
| 6795232 | Wavelength converter | Shogo Yagi, Tadayuki Imai, Koji Enbutsu, Masahiro Sasaura, Takashi Kurihara +3 more | 2004-09-21 |
| 6792189 | Optical waveguide and method of manufacture | Masahiro Sasaura, Koji Enbutsu, Tadayuki Imai, Shogo Yagi, Takashi Kurihara +3 more | 2004-09-14 |